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STMicroelectronics STM32F101C6T6
- Part No.:
- STM32F101C6T6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
STM32F101C6T6.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,640
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Product details
Overview
STM32F101C6T6 from STMicroelectronics is a low-density ARM® Cortex®-M3 32-bit microcontroller with 32 KB Flash, 6 KB SRAM, 36 MHz max CPU frequency, 12-bit ADC (1 µs conversion), and 4 communication interfaces (I²C, 2×USART, SPI). It operates from 2.0–3.6 V, supports Sleep/Stop/Standby low-power modes, and integrates a temperature sensor and RTC-used in industrial sensor nodes and battery-powered control modules.
For engineers reviewing the STM32F101C6T6 datasheet, STM32F101C6T6 pinout, STM32F101C6T6 application, or STM32F101C6T6 equivalent, key selection criteria include Flash/SRAM size, 51 I/O count with 5 V tolerance, 16-channel ADC resolution, and LQFP48 package compatibility for space-constrained embedded designs.
Technical Context
The STM32F101C6T6 implements an ARM Cortex-M3 core with Harvard architecture, single-cycle multiplication, hardware division, and nested vectored interrupt controller (NVIC) supporting up to 60 interrupts. Its clock system includes 4–16 MHz external crystal oscillator, 8 MHz internal RC, 40 kHz LSI, and PLL for CPU clock generation.
Peripheral integration centers on deterministic real-time operation: 5 timers (including two 16-bit general-purpose, independent/window watchdogs, SysTick), DMA with 7 channels servicing ADC, USART, SPI, I²C, and timers, plus CRC calculation unit and 96-bit unique ID for firmware integrity and device identification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3, 36 MHz max - enables deterministic real-time control with 1.25 DMIPS/MHz performance at zero wait states. |
| Memory | 32 KB Flash + 6 KB SRAM - sufficient for compact firmware with local data buffering and interrupt-driven peripheral handling. |
| ADC | 12-bit, 1 µs conversion, 16 channels - supports high-fidelity analog sensing (e.g., temperature, voltage, current) without external oversampling. |
| I/O Count | 37 GPIO pins (LQFP48 package), 5 V-tolerant - simplifies interface to legacy 5 V logic and sensors without level shifters. |
| Communication | 1×I²C (SMBus/PMBus), 2×USART (LIN/IrDA/ISO 7816), 1×SPI (18 Mbit/s) - covers industrial bus, serial diagnostics, and sensor/flash interfacing. |
| Power Modes | Sleep, Stop, Standby with VBAT backup - enables µA-range power consumption for battery-backed RTC and wake-on-event operation. |
| Package | LQFP48, 7 × 7 mm, 0.5 mm pitch - industry-standard footprint compatible with automated assembly and thermal management up to 105°C ambient. |
Pinout & Package
LQFP48 (7 × 7 mm, 0.5 mm pitch) package with exposed pad for thermal dissipation; compliant with ECOPACK® environmental standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 2.0–3.6 V supply domains with dedicated analog/digital ground separation for noise-sensitive ADC operation. |
| PA0–PA15, PB0–PB15, PC13–PC15 | General-purpose I/O | 37 total GPIOs; all support external interrupt vectors and most are 5 V-tolerant-enables direct connection to industrial sensors and actuators. |
| OSC_IN / OSC_OUT | External crystal oscillator input/output | Supports 4–16 MHz quartz crystal for precise timing; essential for USB-free synchronous communication and RTC calibration. |
| NRST | Active-low reset | Asynchronous reset input with internal pull-up; accepts Schmitt-triggered signal for robust noise immunity in electrically noisy environments. |
| BOOT0 | Boot mode selection | Configures boot source (system memory, main Flash, or SRAM); critical for field firmware updates via USART or SWD recovery. |
Key Features
| Feature | Design Value |
|---|---|
| Serial wire debug (SWD) | Single-pin debug interface replacing JTAG pins - reduces PCB footprint while enabling full flash programming and real-time trace. |
| Temperature sensor | Integrated calibrated sensor with ±3°C accuracy - eliminates external thermistor for ambient temperature monitoring in motor drives or power supplies. |
| Programmable voltage detector (PVD) | Configurable threshold (2.2–2.9 V) for early brown-out detection - prevents erratic behavior during battery discharge or unstable supply conditions. |
| CRC calculation unit | Hardware-accelerated 32-bit CRC - ensures fast, deterministic integrity checks for firmware OTA updates and EEPROM data blocks. |
| 96-bit unique ID | Factory-programmed, unalterable identifier - enables secure device authentication and license binding in connected industrial equipment. |
Applications
| Industrial Sensor Node | Smart Meter Interface |
|---|---|
Use Scenario: Compact, battery-operated environmental monitor measuring temperature, humidity, and supply voltage in factory settings. IC Role / Device Role / Timing Role: Main system controller executing sensor polling, ADC sampling, data preprocessing, and UART-based telemetry transmission. Use Value: Integrated 12-bit ADC and temperature sensor eliminate external components; Stop mode current of 2.5 µA extends battery life beyond 5 years. |
Use Scenario: Communication bridge between utility meter ICs (e.g., metrology SoCs) and RF/Wi-SUN modems in AMI deployments. IC Role / Device Role / Timing Role: Protocol translator and buffer manager handling ISO 7816-compliant smart card interface and LIN bus diagnostics. Use Value: Dual USART with IrDA/LIN capability enables simultaneous meter reading and field technician access without external transceivers. |
| Motor Control Starter Kit | Home Appliance UI Controller |
Use Scenario: Entry-level BLDC fan or pump controller using hall-effect feedback and PWM-driven gate drivers. IC Role / Device Role / Timing Role: Real-time motion controller generating complementary PWM outputs with dead-time insertion and fault shutdown. Use Value: Two 16-bit timers with 4-channel capture/compare support precise 3-phase commutation; 5 V-tolerant I/O simplifies connection to hall sensors. |
Use Scenario: Keypad, LED, and buzzer manager in washing machines or HVAC panels with touchless proximity sensing. IC Role / Device Role / Timing Role: Human interface processor managing capacitive touch inputs, segment LED display, and audio feedback timing. Use Value: 37 GPIOs accommodate matrix keypad + LED drivers + I²C OLED; internal RC oscillators reduce BOM cost versus external crystals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F030F4P6 | ARM Cortex-M0, 48 MHz, 16 KB Flash, no temperature sensor or RTC calibration | Lacks VBAT-backed RTC and calibrated temp sensor; lower interrupt latency but no hardware division | Choose for cost-sensitive, non-RTC applications where 32-bit precision and firmware upgradeability are secondary. |
| STM32F103C6T6 | Same package and pinout, 32 KB Flash, 10 KB SRAM, enhanced peripherals (USB, higher ADC speed) | Includes USB 2.0 FS and additional timer channels; higher SRAM supports larger protocol stacks | Choose when USB connectivity or extended real-time scheduling headroom is required; drop-in replacement with firmware update. |
Compared with STM32F101C6T6, STM32F030F4P6 trades RTC and sensor features for lower cost and power, while STM32F103C6T6 adds USB and memory headroom at identical footprint-making the latter ideal for scalable product families requiring future feature expansion.
Availability
STM32F101C6T6 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart meter interfaces, motor control starter kits, and home appliance UI controllers requiring stable component supply across multi-year production cycles.
Supply support for STM32F101C6T6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer markets.
The STM32F101x6 series belongs to ST's foundational Cortex-M3 portfolio, engineered for cost-optimized, low-power embedded control in resource-constrained applications where reliability, long-term availability, and toolchain maturity are critical.
FAQ
What is the maximum operating temperature for STM32F101C6T6?
The STM32F101C6T6 is rated for industrial temperature range: –40°C to +85°C ambient. Junction temperature must not exceed 125°C under continuous operation; thermal design should account for 1.2 W max power dissipation in LQFP48 package with proper PCB copper pour and airflow.
Does STM32F101C6T6 support in-circuit debugging via SWD?
Yes, it supports Serial Wire Debug (SWD) using SWCLK and SWDIO pins (PA14 and PA13), requiring only two signals for full programming, breakpoint setting, and real-time variable inspection-no JTAG header needed, reducing board space and connector cost.
Can the internal 8 MHz RC oscillator be used as system clock without external crystal?
Yes, the factory-trimmed 8 MHz HSI oscillator can serve as system clock source; it achieves ±1% accuracy over temperature and voltage, sufficient for UART communication up to 115.2 kbps and non-time-critical control loops without external components.
How many ADC channels are accessible in the LQFP48 package?
The LQFP48 variant provides 16 ADC input channels (ADC_IN0 through ADC_IN15) mapped to GPIO pins PA0–PA7, PB0–PB1, PC0–PC5, and PC13–PC15; all channels share the same 12-bit converter with 1 µs conversion time and programmable sampling periods.
STM32F101C6T6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-LQFP
- Series:
- STM32F1
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 36MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals:
- DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT
- Number of I/O:
- 37
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F101C6T6 FAQ
1.How can I place an order for STM32F101C6T6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F101C6T6 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32F101C6T6 reliable?
The price and inventory of STM32F101C6T6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F101C6T6 is usually 5 days.
3.What payment methods are accepted for STM32F101C6T6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F101C6T6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F101C6T6?
STM32F101C6T6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F101C6T6 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32F101C6T6?
For technical support, including STM32F101C6T6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F101C6T6 requirements.
6.How does Aetrix verify that STM32F101C6T6 is sourced from the original manufacturer or authorized distributors?
All STM32F101C6T6 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32F101C6T6 meets industry standards.
7.What is the process for return or replacement of STM32F101C6T6?
All STM32F101C6T6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F101C6T6, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32F101C6T6 part is unused and in its original packaging.
Return procedure for STM32F101C6T6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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